IV just got my04 sti back on the road after a long while being of the road been serviced and mot plus cambelt change it running really sweet at the moment but im wanting to upgrade it to about 340to 350 bhp
but i don't want to get an exhaust that is going to be to loud when driving and one that wont wake the neighbours
it is just standard at the moment

 

the PPP exhaust is well recommended for people who may go for more power later but not too much noise.

 

Def Prodrive exhaust. I'm running a decat on mine, and driving normally it sounds very sedate, but give it the beans and it roars!

 

can you buy a brand new prodrive exhurst or are the only second and now also will i need just the back box or the whole lot

 

Revolution exhausts are some of the quietest around.......

Shaun

 

I have a TSL group n scoobcabbie,
The problem i found with the others i tried, 3 was they would drone at 70 plus, and as i go to europe alot the tsl group n is perfect, nice burble on tickover, no drone at 70 plus, and a growl on throttle
Just to add i have not decatted front but am planning to decat middle as i read this does,nt change the sound to much hopefully

 

I had a prodrive on my Spec D and it was far too boomy inside at commuting speeds.

 

Agreed. Good build quality to.

Milltek is another option

 

So if i just change the back box for now would it neeed a remap

 

no

 

Scoobyworld 'Racebox' is very subtle and quiet but will support decent power upgrades.

 

just had a look at Scoobyworld 'Racebox' looks like what im looking for thanks

 

I might have mine for sale if you are interested ?

I have just upgraded to a full 3" system.

Pm me if interested.

 

I'd definitely reccomend a Milltek, proven power gains and no excessive noise which is why they're great for track users hoping to avoid the black flag. I can give up to 15% discount on Milltek too

 

I have a 3" jasma rated off a classic downpipe back nice rumble but not loud at all pm me if your interested not sure it would fit a newage but mates to a standard 2.5" downpipe

 

I have a miltek and its lovely and quiet have a cobra 3" on race car and gives good power and 99 db so a little louder nut livable